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D) BELT REPLACEMENT AND ADJUSTMENT
If a belt breaks or becomes worn it is advisable to change both belts connected to the engine
at the same time. The replacement of just one belt alone may give rise to adjustment problems.
Conversely, the blade rotor control belt is completely independent of the others, so for its
replacement or adjustment carry out the following:
D1) BLADE ROTOR DRIVE BELT
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remove the plastic guard ( Fig. 9 Ref. C), by unscrewing and taking out the screws shown
in Figure 9 Ref. B
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pull the spring ( Ref. A Fig. 10 ) off the upper connecting screw ( Fig. 10 Ref. B) , so that
the belt tightener ( Ref. C Fig. 10 ) remains free and lowers automatically.
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slip the belt off by turning the lower pulley in an anti-clockwise direction using your hand
(Ref. D Fig. 10).
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obviously for assembly the procedure must be reversed, bearing in mind that once the
spring is in position the belt is automatically in its ideal adjustment position.
To access the transmission belts and rotor brake adjustment device area, remove the plastic
guard (Fig. 9 Ref. D) and unscrew and remove the 4 screws shown in Figure 9 Ref.A.
Figure 9
Figure 10
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